The effects of syntactic and lexical complexity on the comprehension of elementary science texts

In this study we examined the effects of syntactic and lexical complexity on third-grade students' comprehension of science texts. A total of 16 expository texts were designed to represent systematic differences in levels of syntactic and lexical complexity across four science-related topics (T...

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Main Authors: Diana J. ARYA, Elfrieda H. HIEBERT, P. David PEARSON
Format: Article
Language:English
Published: Kura Publishing 2011-11-01
Series:International Electronic Journal of Elementary Education
Subjects:
Online Access:http://www.iejee.com/4_1_2011/7_IEJEE_4_1_Arya_Hiebert_Pearson.pdf
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author Diana J. ARYA
Elfrieda H. HIEBERT
P. David PEARSON
author_facet Diana J. ARYA
Elfrieda H. HIEBERT
P. David PEARSON
author_sort Diana J. ARYA
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description In this study we examined the effects of syntactic and lexical complexity on third-grade students' comprehension of science texts. A total of 16 expository texts were designed to represent systematic differences in levels of syntactic and lexical complexity across four science-related topics (Tree Frogs, Soil, Jelly Beans and Toothpaste). A Latin-square design was used to counterbalance theorder of administration of these 16 texts. After reading each text, students responded to a post-test comprehension measure (without access to the text). External measures of reading achievement andprior vocabulary knowledge were also gathered to serve as control variables. Findings show that lexical complexity had a significant impact on students' comprehension on two of the four topics. Comprehension performance was not influenced by the syntactic complexity of texts, regardless of topic. Further, no additional effects were found for English language learners. Potentially moderating and confounding issues, such as the inference demand of syntactically simple texts and the role of topic familiarity, are discussed in order to explain the inconsistency of the findings across topics.
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spelling doaj.art-dd3ee2ad40704024b0a97cf2631aeef52023-02-15T16:07:58ZengKura PublishingInternational Electronic Journal of Elementary Education1307-92982011-11-0141107125The effects of syntactic and lexical complexity on the comprehension of elementary science textsDiana J. ARYAElfrieda H. HIEBERTP. David PEARSONIn this study we examined the effects of syntactic and lexical complexity on third-grade students' comprehension of science texts. A total of 16 expository texts were designed to represent systematic differences in levels of syntactic and lexical complexity across four science-related topics (Tree Frogs, Soil, Jelly Beans and Toothpaste). A Latin-square design was used to counterbalance theorder of administration of these 16 texts. After reading each text, students responded to a post-test comprehension measure (without access to the text). External measures of reading achievement andprior vocabulary knowledge were also gathered to serve as control variables. Findings show that lexical complexity had a significant impact on students' comprehension on two of the four topics. Comprehension performance was not influenced by the syntactic complexity of texts, regardless of topic. Further, no additional effects were found for English language learners. Potentially moderating and confounding issues, such as the inference demand of syntactically simple texts and the role of topic familiarity, are discussed in order to explain the inconsistency of the findings across topics.http://www.iejee.com/4_1_2011/7_IEJEE_4_1_Arya_Hiebert_Pearson.pdfText complexityreading comprehensionscience literacy
spellingShingle Diana J. ARYA
Elfrieda H. HIEBERT
P. David PEARSON
The effects of syntactic and lexical complexity on the comprehension of elementary science texts
International Electronic Journal of Elementary Education
Text complexity
reading comprehension
science literacy
title The effects of syntactic and lexical complexity on the comprehension of elementary science texts
title_full The effects of syntactic and lexical complexity on the comprehension of elementary science texts
title_fullStr The effects of syntactic and lexical complexity on the comprehension of elementary science texts
title_full_unstemmed The effects of syntactic and lexical complexity on the comprehension of elementary science texts
title_short The effects of syntactic and lexical complexity on the comprehension of elementary science texts
title_sort effects of syntactic and lexical complexity on the comprehension of elementary science texts
topic Text complexity
reading comprehension
science literacy
url http://www.iejee.com/4_1_2011/7_IEJEE_4_1_Arya_Hiebert_Pearson.pdf
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